<https://ideal-inc.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<https://ideal-inc.com/column/catcolumn/%E3%83%A1%E3%83%83%E3%82%BB%E3%83%B3%E3%82%B8%E3%83%A3%E3%83%BC/>